DriverCove

Panasonic Mobile Communications CO., Ltd. - Modems - au W51P Serial Port Driver 4.38.2.326

by Panasonic Mobile Communications CO., Ltd.XP32-bitSHA-256 verified

Manufacturer
Panasonic Mobile Communications CO., Ltd.
Device
Panasonic Mobile Communications CO., Ltd. - Modems - au W51P Serial Port
Driver version
4.38.2.326
Release date
September 22, 2006
Supported Windows
Windows XP
Architecture
32-bit (x86)
File size
107 KB
File name
20013912_7a2ab79bcd82951afa4d13ead78953efbc3da950.cab
Digital signature
Signed - catalog w51pmdm.cat
INF version
09/22/2006, 4.38.2.326
INF provider
Panasonic Mobile Communications CO., Ltd.
Device class
Modem
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
326f8907079d1e1764eacf0bd2dda24960876e7b2cb2efd72e545e2f2c2a9df2

Supported hardware IDs (2)

Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.

How to install

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows XP) and architecture (x86)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run pnputil /add-driver C:\driver\*.inf /install.
  7. Check Device Manager: the device should show no warning icons, and the driver version should match.

How to roll back

If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).